effective nuclear charge for 4s electron of Cr Share with your friends Share 3 Geetha answered this Effective nuclear charge = Z-SS= Screening constantZ= atomic numberCr24 has electronic configuration of 1s22s22p63s23p64s13d5For 4s electron,S= 0.35 × ns + 0.8 × (n-1) + 1 × (n-2) (.35 for n electron and 0.8 for penultimate and 1 for all inner orbitals) = 0 + 0.8 × 13 + 1 × 10 =20.4Effective nuclear charge = 24 - 20.4 = 3.6 -2 View Full Answer
